Invagination
n. 入鞘, 凹入, 反折, 反折处, 凹入部分, 肠套叠\\n[医] 折入, 凹入, 内陷, 套迭
🏥 医学释义
凹入，折入，套叠
🗣️ 情景例句
Things have worked out badly.
情况进展得很不理想。
Example is better than precept.
言教不如身教。
the figure becomes no more than an exact and matter-of-fact observation.
杜威的比喻就是他实事求是观察得来的形象化的说法。